1672002036 has 18 divisors (see below), whose sum is σ = 4226449682. Its totient is φ = 557334000.

The previous prime is 1672002023. The next prime is 1672002083. The reversal of 1672002036 is 6302002761.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1440657936 + 231344100 = 37956^2 + 15210^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23222215 + ... + 23222286.

Almost surely, 2^1672002036 is an apocalyptic number.

It is an amenable number.

1672002036 is an abundant number, since it is smaller than the sum of its proper divisors (2554447646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1672002036 is a wasteful number, since it uses less digits than its factorization.

1672002036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46444511 (or 46444506 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 1672002036 is about 40890.1214965180. The cubic root of 1672002036 is about 1186.8949098416.

Adding to 1672002036 its reverse (6302002761), we get a palindrome (7974004797).

The spelling of 1672002036 in words is "one billion, six hundred seventy-two million, two thousand, thirty-six".